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Screenshot Documentation

This directory contains example screenshots demonstrating key RF interference scenarios:

Critical Interference Examples

1. LTE Band 13 2nd Harmonic → GPS L1 Interference

Scenario: LTE Band 13 (777-787 MHz) 2nd harmonic at 1574 MHz interferes with GPS L1 (1575.42 MHz)

  • Risk Level: 🔴 Critical (Severity 5)
  • Formula: 2×Tx_high(LTE_B13) = 2×787 = 1574 MHz
  • Impact: GPS navigation degradation
  • Screenshot: lte_b13_2h_gps_l1.png

2. LTE Band 4 3rd Harmonic → Wi-Fi 5G Interference

Scenario: LTE Band 4 (1710-1755 MHz) 3rd harmonic at 5265 MHz interferes with Wi-Fi 5G (5150-5925 MHz)

  • Risk Level: 🟠 High (Severity 4)
  • Formula: 3×Tx_high(LTE_B4) = 3×1755 = 5265 MHz
  • Impact: Wi-Fi 5G channel interference
  • Screenshots: lte_b4_3h_wifi5g.png lte_b4_3h_wifi5g_FrequencySpectrum.png lte_b4_3h_wifi5g_RiskAnalysis.png lte_b4_3h_wifi5g_BandCoverage.png lte_b4_3h_wifi5g_ProductDistribution.png

3. LTE Band 26 3rd Harmonic → Wi-Fi 2.4G Interference

Scenario: LTE Band 26 (814-849 MHz) 3rd harmonic at 2442-2547 MHz interferes with Wi-Fi 2.4G/BLE (2400-2500 MHz)

  • Risk Level: 🔴 Critical (Severity 5)
  • Formula: 3×Tx_low(LTE_B26) = 3×814 = 2442 MHz
  • Impact: ISM band interference affecting BLE and Wi-Fi 2.4G
  • Screenshot: lte_b26_3h_wifi24g.png

How to Generate Screenshots

  1. Run the application: streamlit run ui.py
  2. Select relevant bands for each scenario
  3. Configure analysis settings: Enable appropriate IMD products
  4. Calculate interference and navigate to results tabs
  5. Capture screenshots of:
    • Configuration panel showing selected bands
    • Results table with highlighted critical risks
    • Frequency spectrum chart showing interference products
    • Risk analysis pie chart

Screenshot Naming Convention

Format: [scenario]_[bands]_[product_type]_[victim].png

Examples:

  • gps_interference_lte_b13_2h_gnss_l1.png
  • wifi5g_interference_lte_b4_3h_wifi5g.png
  • ism_interference_lte_b26_3h_wifi24g.png
  • coexistence_multi_lte_im3_ble.png

Usage in Documentation

These screenshots demonstrate real-world interference scenarios for:

  • README.md examples section
  • Technical documentation
  • Training materials
  • Regulatory compliance reports